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In recent years, Transformer networks have shown remarkable performance in speech recognition tasks. However, their deployment poses challenges due to high computational and storage resource requirements. To address this issue, a…

声音 · 计算机科学 2024-05-01 Jianzong Wang , Ziqi Liang , Xulong Zhang , Ning Cheng , Jing Xiao

The computing power of mobile devices limits the end-user applications in terms of storage size, processing, memory and energy consumption. These limitations motivate researchers for the design of more efficient deep models. On the other…

音频与语音处理 · 电气工程与系统科学 2020-08-05 Pooyan Safari , Miquel India , Javier Hernando

One of the most popular speaker embeddings is x-vectors, which are obtained from an architecture that gradually builds a larger temporal context with layers. In this paper, we propose to derive speaker embeddings from Transformer's encoder…

音频与语音处理 · 电气工程与系统科学 2021-12-14 N J Metilda Sagaya Mary , S Umesh , Sandesh V Katta

Initially developed for natural language processing (NLP), Transformer model is now widely used for speech processing tasks such as speaker recognition, due to its powerful sequence modeling capabilities. However, conventional…

音频与语音处理 · 电气工程与系统科学 2022-01-28 Rui Wang , Junyi Ao , Long Zhou , Shujie Liu , Zhihua Wei , Tom Ko , Qing Li , Yu Zhang

Transformer models have been introduced into end-to-end speech recognition with state-of-the-art performance on various tasks owing to their superiority in modeling long-term dependencies. However, such improvements are usually obtained…

声音 · 计算机科学 2020-11-18 Haoneng Luo , Shiliang Zhang , Ming Lei , Lei Xie

We introduce a self-supervised speech pre-training method called TERA, which stands for Transformer Encoder Representations from Alteration. Recent approaches often learn by using a single auxiliary task like contrastive prediction,…

音频与语音处理 · 电气工程与系统科学 2021-08-05 Andy T. Liu , Shang-Wen Li , Hung-yi Lee

This paper addresses end-to-end automatic speech recognition (ASR) for long audio recordings such as lecture and conversational speeches. Most end-to-end ASR models are designed to recognize independent utterances, but contextual…

计算与语言 · 计算机科学 2021-04-20 Takaaki Hori , Niko Moritz , Chiori Hori , Jonathan Le Roux

The Transformer architecture has proven to be highly effective for Automatic Speech Recognition (ASR) tasks, becoming a foundational component for a plethora of research in the domain. Historically, many approaches have leaned on…

声音 · 计算机科学 2024-04-09 Sizhou Chen , Songyang Gao , Sen Fang

Transformer-based deep models for single image super-resolution (SISR) have greatly improved the performance of lightweight SISR tasks in recent years. However, they often suffer from heavy computational burden and slow inference due to the…

图像与视频处理 · 电气工程与系统科学 2024-08-09 Xiaole Zhao , Linze Li , Chengxing Xie , Xiaoming Zhang , Ting Jiang , Wenjie Lin , Shuaicheng Liu , Tianrui Li

The Transformer architecture has gained growing attention in graph representation learning recently, as it naturally overcomes several limitations of graph neural networks (GNNs) by avoiding their strict structural inductive biases and…

机器学习 · 统计学 2022-06-14 Dexiong Chen , Leslie O'Bray , Karsten Borgwardt

In this paper we introduce a recurrent neural network (RNN) based variational autoencoder (VAE) model with a new constrained loss function that can generate more meaningful electroencephalography (EEG) features from raw EEG features to…

音频与语音处理 · 电气工程与系统科学 2020-06-05 Gautam Krishna , Co Tran , Mason Carnahan , Ahmed Tewfik

Modern systems for automatic speech recognition, including the RNN-Transducer and Attention-based Encoder-Decoder (AED), are designed so that the encoder is not required to alter the time-position of information from the audio sequence into…

声音 · 计算机科学 2025-02-11 Adam Stooke , Rohit Prabhavalkar , Khe Chai Sim , Pedro Moreno Mengibar

End-to-end automatic speech recognition (ASR), unlike conventional ASR, does not have modules to learn the semantic representation from speech encoder. Moreover, the higher frame-rate of speech representation prevents the model to learn the…

人工智能 · 计算机科学 2021-03-19 Md Akmal Haidar , Chao Xing , Mehdi Rezagholizadeh

The data scarcity problem in Electroencephalography (EEG) based affective computing results into difficulty in building an effective model with high accuracy and stability using machine learning algorithms especially deep learning models.…

机器学习 · 计算机科学 2021-09-09 Zhi Zhang , Sheng-hua Zhong , Yan Liu

In recent years, transformer-based methods have achieved remarkable progress in medical image segmentation due to their superior ability to capture long-range dependencies. However, these methods typically suffer from two major limitations.…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zunhui Xia , Hongxing Li , Libin Lan

Transformer-based end-to-end (E2E) automatic speech recognition (ASR) systems have recently gained wide popularity, and are shown to outperform E2E models based on recurrent structures on a number of ASR tasks. However, like other E2E…

音频与语音处理 · 电气工程与系统科学 2020-11-30 Mohan Li , Catalin Zorila , Rama Doddipatla

Transformers have been actively studied for time-series forecasting in recent years. While often showing promising results in various scenarios, traditional Transformers are not designed to fully exploit the characteristics of time-series…

机器学习 · 计算机科学 2022-06-22 Gerald Woo , Chenghao Liu , Doyen Sahoo , Akshat Kumar , Steven Hoi

Applying Global Self-attention (GSA) mechanism over features has achieved remarkable success on Convolutional Neural Networks (CNNs). However, it is not clear if Graph Convolutional Networks (GCNs) can similarly benefit from such a…

机器学习 · 计算机科学 2020-10-22 Chen Wang , Chengyuan Deng

The design choices in the Transformer attention mechanism, including weak inductive bias and quadratic computational complexity, have limited its application for modeling long sequences. In this paper, we introduce Mega, a simple,…

机器学习 · 计算机科学 2023-01-31 Xuezhe Ma , Chunting Zhou , Xiang Kong , Junxian He , Liangke Gui , Graham Neubig , Jonathan May , Luke Zettlemoyer

Speech separation always faces the challenge of handling prolonged time sequences. Past methods try to reduce sequence lengths and use the Transformer to capture global information. However, due to the quadratic time complexity of the…

音频与语音处理 · 电气工程与系统科学 2025-08-28 Haoxu Wang , Yiheng Jiang , Gang Qiao , Pengteng Shi , Biao Tian